Mathematics, 05.12.2019 04:31 jdjxbxnshd2080
Suppose that – in any given time period – a certain stock is equally likely to go up 1 unit or down 1 unit, and that the outcomes of different periods are independent. let x be the amount the stock goes up (either 1 or −1) in the first period, and let y be the cumulative amount it goes up in the first three periods. find the correlation between x and y.
Answers: 1
Mathematics, 22.06.2019 00:00
Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
Mathematics, 22.06.2019 03:30
Runners run around the school's football field. the cross country coach determines that the width of the field is seventy yards shorter than the length. part a write an expression that represents the perimeter of the football field. let x represent the length of the football field. include parentheses in your expression. next, write an equivalent expression that does not include parentheses. what property or properties did you use to simplify? explain. part b the cross country coach later determines that the length of the football field is 120 yards. all students must run five laps. using your answer from part a, determine the actual number of yards that each athlete must run in the tryouts. in order to make the team, students must complete the laps in 6 minutes. how quickly must they run each lap?
Answers: 3
Suppose that – in any given time period – a certain stock is equally likely to go up 1 unit or down...
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